Transferring device



T. LUND TRANSFERRING DEVICE Flled May 16 1927 Fig.4

Feb. 26, 1929.

Patented Feb. 26, 1929.

UNITED STATES" r'Arsuro'l-"r ca.

THOMAS LUND, OF BEVERLY, MASSACHUSETTS, ASSIGNOR T0 UNITED SHOE' MA- CHINERY CORPORATION, OF PATERSON, NEW JERSEY, A CORPORATION OF NEW JERSEY.

Application filed May 16,

This invention relates to devices by which nails are conveyed from a receiving point, where they may be supplied by a distributor, to a delivering point, as over the die-block of a heel-attaching machine. f

I Devices of this character commonly include two receiving membersmounted upon a carrier. One of these members, which is often called a loader-block, has openings in which nails are temporarily retained by ashutter or gate, while the other is a block which occupies the space between the loader-block and dieblock of the heeler and has openings which guide the nails into the latter upon their release by the shutter. It is necessary that the alinement between the loader-block and guide block openings shall'be exact, to avoid interference with the passage of the nails through them, and, to establish and maintain this relation, a well-known practice is to support the loader-block upon the carrier-arm, and attach the guide-block to its under side by means of screws and dowel-pins. Initially, this arrangement is successful as to the position of the guide-openings, but, in use, the jar caused by the striking of the loader-arm against the stops at the ends of its path of movement loosens the screws, and parallelism between the blocks is lost. Because of the resulting misalinement of the openings, this may cause the nails to be caught'and retained after they have been released. The displacement of the guide-block also interferes with the movement of the shutter. In addition to the 'difliculties which resultfromits use, the cost of the screw-'and-pin ,mounting of the guide-' block is considerable.

Objects of this invention are to provide for secure, efficient support of the guiding member or block. To this end,there are supported independently of each other, upon the arm or carrier of the illustrated nail-loading or transferring device, two' receiving members, as the loader-block and the Y guide-block, through the alined openings of whichnails pass. This alinement is preferably maintained by means fixed to the carrier for en gagement with each of the members. By this direct separate support of each of the members upon their carrier, they may be made inrmsrnnnme DEVICE.

1927. Serial No. 191,745

dependent ofsuch troublesome securing means as screws, and there is left between the members ample unrestricted space, in which a nailretaining shutter may move. More specifically, an oscillatory loader arm is provided with an opening, about which are two supporting surfaces of different diameters, one being shown herein as at the top of the arm, and the other upon a flange projecting into the opening at the bottom. Upon these respective surfaces, block rest, and may be locked against rotation, with their openings in registration, by a'key or other projection upon the arm. .Not only are blocks so mounted free from liability to displacement, and therefore the expense of maintenance is small, but the arrangement minimizes manufacturing costs, there being necessary little machine-Work upon the parts. These nail-receiving blocks usually include in the r openingsa multiple of all the nailing designs which are to be used; To limit the exposed portion of the members to a single set of these openings, I may mount separably upon the loader-block a plate containing only the T;

openings of the chosen set.

' In the accompanying drawing, a particular embodiment of my invention is illustrated.

Fig. 1 being a sectional top plan view of the improved transferring device F 2, a side elevation; and

F gs. 3 and 4,-enlarged vertical, transverse sections} on the lines IIIIII and IV.IV, respectively, of Fig. 1. a

At 10 appears a vertical spindle, which may be fixed to the frame of a heel-attaching machine such as that illustrated in Letters Patent of the United States No. 1,157,688, Gl idden, October 26, 1,915, this frame not be ng shown. Arranged to oscillate about the spindle is a loader-arm 12, which may be moved by a handle 14 between nail-receiving and nail-delivering positions. The outer eX- tremity of the arm is enlarged, to furnish a generally circular frame 16, which is preferably cast integral with said arm, it having a greater. verticalv thickness than the portion to which it is connected, as is shown in 3. This frame furnishes a carrier for a loaderblock 18,in openings 20 in which the nails are transferred, and for a block 22, through openings 24 in which the nails are guided for delivery. These openings in both blocks are identical in number and arrangement, usually being a multiple of all the nailing designs in accordance with which the machine supplied is to operate. The frame 16 surrounds an opening 26, which has about its top a horizontal annular finished surface 28, on which rests a flange 30 at the top of the block 18. The lower portion of the opening 26 is of less diameter than the upper, there being annular flange 32 providing a finished horizon tal surface, parallel to the surface 28, supporting a flange 34 about the upper portion of the guide-block 22. To maintain the two blocks in the correct angular relation in the opening 26, with their sets of nail-receiving openings 20 and 24 in registration, each has in its periphery ayertical slot, which receives a key 36. This key may have an outwardly eXtending. of the frame and secured in place thereon at 450. The lower face of the block 18 and the upper face of the block 22 are parallel, and are spaced from each other at 42', and in this space, operating in close proximity to the under side of the block 18, is a nail-retaining shutter or gate 46; This shutter is pivoted. at 48 upon the arm 11,. and is urged by a spring 50 out of the space 42, being temporarily retained beneath the openings 20 by a latcli't l to sup ort the nails in them. Except fort-liefa'ct tha this shutter is in no way ll111- ited' as to its form by the supporting means for the block 22, it, with its controlling el e- I ments, maybe arranged as is customary.

To present, at the'top of the block 18, only that set of multiple openings which is to be employed at the time, there may be carried upon the block a plate 52, which may one of group, having'in' it a single set of openings of the multiple in the blocks. Pins 54', 54, depending from the plate and entering openings 56 in the block 18, produce the desired alinement of the openings in the plate with the corresponding set in the block. I prefer to furnish for each nailing design a plurality of plates of different thicknesses, a second plate being partially indicated at 58. This permits such a plate tobe chosen for the particular len th of nail which is used that, with short nai s n, the operator may still' see the points above the plate and determine Whether the load is con'iplet'e, while, with long nails N, lateral support is afforded, so they may not become too far inclined from the direction of delivery.

It is to be observed that, in preparation for'the mounting of the loader and guideblocks, it is only necessary to furnish upon them and the receiving frame the properly related supporting surfaces and key-receiving slots, and that assembling involves nothing more than dropping the blocks into their projection 38, recessed into the top nail-delivering positions, two members sup-.

ported independently of eachother uponthe carrier with a continuous space between their adjacent surfaces and each provided-with a set of nail-receiving openings alinedwith those of the associated member, and anailretainer movable in the space between the members. 7 j

3. A nail-transferring device comprising a carrier movable between nail-receiving and nail-delivering positions, two members sup ported independently of each otherupon the carrier and each provided with-a set of nailreceiving openings, and means fixed to the carrier for engagement with each of the mem bers and arranged to maintain the nail-re ceiving openings in alinement.

4:. A nail-loader comprising an oscillatory arm provided with an opening about which are supporting surfaces formed on the arm and being of different diameters, a loaderblock carried by one of said surfaces, and a guide-block carried by the other surface, the blocks containing sets of alined nail receiving openings.

5. A nail-loader comprising an arm arranged to oscillate horizontally, said arm be ing provided with a vertical opening about the top of which is an annular supporting surface and an annular flange projecting into the opening at the bottom, a loader-block carried by the upper surface, and a guideblock carried by the-flange.

6. A nail-loader comprising an oscillatory arm provided with an open-ing about which are nail supporting surfaces of different diameters and a projection extending inwardly from both surfaces,.a loader-block carried by one of said surfaces,a'nd a guide-block carried by the other surface, the blocks containing sets of al'inednail-receiving openings and having recesses cooperating with the projection. v

7. A nail loader comprising an arm arranged to oscillate horizontally, said arm being provided with a vertical opening about the top of which is an annular supporting surface and an annular flange projecting into the opening the bottom, a loader-block carried by the uppersurfa'ce, a guide block car ried by the flange, both the loader-block and guide-block having peripheral recesses, and a key fixed to the arm over the supporting surface and flange and arranged to enter the recesses of blocks.

8. A nail-loader comprising an oscillatory arm provided with an opening about which are nail-supporting surfaces of different diameters, a loader-block carried by one of said surfaces, a guide-block carried by the other 10, 

